英[kwɒˌdrætɪk ɪˈkweɪʒ(ə)n] na.二次方程式;“algebraic equation”的变体 网络一元二次方程;二次方程法;二次同余问题 复数:quadratic equations 英汉 英英 网络释义 na. 1. 二次方程式 2. “algebraic equation”的变体 ...
If you've got a quadratic equation on the form of ax2+c=0 Then you can solve the equation by using the square root of x=±√−ca Example 3x2−243=0 3x2=243 x2=2433 x2=81 x=±√81 x=9orx=−9 This method can only be used if b = 0. If we instead have an equation...
To solve a quadratic equation, set the equation equal to zero by putting it in standard form. Try to factor the equation first, and if it will not factor easily, use the quadratic formula. Algebra I: High School 19chapters |163lessons|1flashcard set ...
Relating to a mathematical expression containing a term of the second degree, such asx2+ 2. ♦ Aquadratic equationis an equation having the general formax2+bx+c= 0, wherea, b,andcare constants. ♦ Thequadratic formulaisx= [-b± √(b2- 4ac)]/2aIt is important in algebra, where ...
The quadratic formula gives solutions to the quadratic equation ax^2+bx+c=0 and is written in the form of x = (-b ±√(b^2 - 4ac)) / (2a) Does any quadratic equation have two solutions? There can be 0, 1 or 2 solutions to a quadratic equation. If the discriminant is positive...
The two roots of the quadratic equation (3.57)ax2+bx+c=0 are given by one of the most useful formulas in elementary algebra. We don’t generally spend much time deriving formulas, but in this one instance, the derivation is very instructive. Consider the following very simple polynomial whi...
Quadratic Equation Introduction Apolynomialof the second degree is generally called a quadratic polynomial. In elementary algebra, the quadratic formula is the solution of the quadratic equation. There are other ways to solve the quadratic equation instead of using the quadratic formula, such as ...
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